The synchrotron-based soft X-ray mapping of resonant inelastic X-ray scattering (mRIXS) has recently emerged as a powerful tool for exploring such states in electrochemical devices, especially batteries. High-efficiency mRIXS covers the energy range of the absorption edge with the extra dimension of information on the emitted photon energies.

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The synchrotron-based soft X-ray mapping of resonant inelastic X-ray scattering (mRIXS) has recently emerged as a powerful tool for exploring such states in electrochemical devices, especially batteries.

2022年10月17日 · 磁力共振掃描（MRI）透過強力磁場、無線電波及電腦技術，從多角度拍攝身體內部器官的組織和結構，形成磁力共振影像。 其原理是將人體放置於強磁場內，以無線電波激發體內氫原子發生物理作用，紀錄它所產生的訊號，再經電腦重組後以影像呈現。 由於不同部位及器官所產生的訊號各有不同， MRI系統能分析這些訊號，把不同器官的圖像呈現出來。 點解要照MRI？ 有咩作用？ 磁力共振掃描（MRI）相比其他影像造影檢查，更能清晰呈現身體軟組織及神經組 …

Ray transfer matrix analysis (also known as ABCD matrix analysis) is a mathematical form for performing ray tracing calculations in sufficiently simple problems which can be solved considering only paraxial rays.

它包含一個描述光學系統的光線轉化矩陣 (ray transfer matrix)，這個矩陣與一代表光線的 向量 相乘之後，可以得到光線在該系統中的運行軌跡。 這類的分析也被應用於加速器物理 (accelerator physics)中，用以追蹤通過 粒子加速器 中磁鐵裝置的粒子，詳情請見 电子光学。 以下介紹的技術使用了 近軸逼近法，此逼近法意即假設所有光線相對於系統的光軸 (optical axis)都處於小角度 (θ為徑度)、短距離 (x)。 [1] 光線追蹤技術以兩個平面為參考面，分別為輸入平面與輸出平面，這 …

2025年1月22日 · A flexible X-ray detector that has a backplane based on two-dimensional molybdenum sulfide (MoS2) transistors and graphene/MoS2 photodetectors can produce images with high uniformity and...

ABCD矩阵也被称作 光线传输矩阵 (Ray transfer matrix)。 其本质就是把近轴光线追迹公式在不同折射面之间的交替运算，用线性代数的方式转换成矩阵之间的运算。

What's the difference between MRI and X-ray? While MRI and X-ray are both imaging techniques for organs of the body, the difference is that MRI images provide a 3D representation of organs, which X-Rays usually cannot.

2024年10月23日 · 【RS600】麦默真空首款GE系列替代球管取证上市！ Last： New recruits to | domestic ba… Next： In 2024, information on the p…